Matter and Its Properties · Physical Science

States of Matter

Identifying the characteristics of solids, liquids, and gases in everyday life.

Key Questions

  1. 1How can we prove that air, which we cannot see, is actually matter?
  2. 2What causes a substance to change from one state to another?
  3. 3How do the particles in a solid behave differently than those in a gas?

Ontario Curriculum Expectations

ON: Matter and Energy - Grade 2ON: Matter and Energy - Grade 5
Grade: Grade 3
Subject: Science
Unit: Matter and Its Properties
Period: Physical Science

Suggested Methodologies

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Examining reversible changes in matter such as melting, freezing, and dissolving.

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Testing different materials to determine their suitability for specific engineering tasks.

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